Photography involved the documentation of each building or its sections before intervention from selected locations, which helped with the recording of work so that there were photographs at various moments in time available for comparison. A standing goal in the photographic documentation was to take the requisite number of photographs which included as much useful information as possible for future scholars studying the monuments.

Galerius palace. Central building complex. The mosaic floor of the west corridor before the intervention.Galerius palace. Central building complex. The mosaic floor of the west corridor after the intervention.